Pith Number

pith:M2GRZBNC

pith:2020:M2GRZBNCQYEAZO4G3A3HNHKYII

not attested not anchored not stored refs pending

Boosting Semantic Human Matting with Coarse Annotations

Changshui Zhang, Jinlin Liu, Miaomiao Cui, Wendi Hou, Xian-Sheng Hua, Xuansong Xie, Yuan Yao

arxiv:2004.04955 v1 · 2020-04-10 · cs.CV · cs.LG · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2GRZBNCQYEAZO4G3A3HNHKYII}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:54:24.036639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668d1c85a286080cbb86d836769d58420ed3ada74d155b1d0c07f65bfd8caa07

Aliases

arxiv: 2004.04955 · arxiv_version: 2004.04955v1 · doi: 10.48550/arxiv.2004.04955 · pith_short_12: M2GRZBNCQYEA · pith_short_16: M2GRZBNCQYEAZO4G · pith_short_8: M2GRZBNC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/M2GRZBNCQYEAZO4G3A3HNHKYII \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 668d1c85a286080cbb86d836769d58420ed3ada74d155b1d0c07f65bfd8caa07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bd870195c5ac5fdce13cf35e31fd45a9538d71ac23e2d510413737d3111a2cf",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-10T09:11:02Z",
    "title_canon_sha256": "6c00f2486d0949f1a5e36d0d9ae8234fa431de9a919b3b056ec1b416ec5d204c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04955",
    "kind": "arxiv",
    "version": 1
  }
}